peroxidation
"peroxidation" is a 12-letter English headword indexed on PlainSpell.
The verdict
“peroxidation” is uncommon English (frequency #90,831 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,831
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any oxidation reaction, especially of an oxide, that produces a peroxide.
Corpus desk
Index EN-peroxidation · peroxidation · English
peroxidation · rank #90,831 · 0 variants · 0 confusables
- FREQ-RARE #90,831
- LEN-MEGA 12 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH perforce
Nearest frequency peer: perforce (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “peroxidation”
Sparse band: bars invert rank so rarer forms read shorter
- pawning
pawning
9,175 corpus weight
- perforce
perforce
9,171 corpus weight
- peroxidation
peroxidation
9,170 corpus weight
- petersham
petersham
9,169 corpus weight
- pharmacothe…
pharmacotherapy
9,166 corpus weight
- Phillipsburg
Phillipsburg
9,165 corpus weight
What this shows Long-tail view: where “peroxidation” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | peroxidation |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #90,831 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “peroxidation” in English
Rare enough to double-check
peroxidation is uncommon English at frequency #90,831 among 4,417 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for peroxidation, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From peroxide + -ation. The correct English form is peroxidation, spelled P-E-R-O-X-I-D-A-T-I-O-N.
Definition
- 1Any oxidation reaction, especially of an oxide, that produces a peroxide.
- 2The reaction of a double bond with a peroxide.
Recorded use
Wiktionary exampleThese source excerpts show how peroxidation appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Furthermore, wedelolactone also increased the activities of superoxidase dismutase (SOD) and glutathione peroxidase (GSH-Px) and decreased the level of the lipid peroxidation product malondialdehyde (MDA) in the liver, therefore decreasing the activity of alanine aminotransferase (ALT).
Etymology
From peroxide + -ation.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "peroxidation", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).